package com.neuedu.collectionsdemo;

import java.util.Comparator;

public class MonitorComparator implements Comparator <Monitor>{
    @Override
    public int compare(Monitor o1, Monitor o2) {
        //默认返回值
        int iVal=0;
        if (o1!=null&&o2!=null){
            //比较o1和o2的大小
            if (o1.getStuScore()>o2.getStuScore()){
                iVal=1;
            }else if (o1.getStuScore()<o2.getStuScore()){
                iVal=-1;
            }
        }
        return iVal*-1;
    }
}
